[meteorite-list] Giant Dinosaurs Arrived With A Bang

From: S.Singletary <jumper_at_meteoritecentral.com>
Date: Thu Apr 22 10:04:49 2004
Message-ID: <5.0.2.1.2.20020517153732.01ad8ba8_at_hesiod>

whoops, never mind. A few minutes of research reveal that Indocetus ramani
(earliest known whale form) is from the lower Eocene - long after our
controversial impact.


At 03:30 PM 5/17/2002 -0400, S.Singletary wrote:
>At 12:22 PM 5/17/2002 -0700, Edward Hodges wrote:
>
>>Fred- The Komodo Dragon wasn't around 65 million years ago, and either
>>were crocodiles like the ones you see now. They have evolved to become a
>>more effeciant and smaller predator. So, can you think over any large
>>Reptiles, that have survived for at least the last 65 million years that
>>are still the same size? The point is that all large creatures were wiped
>>out 65 million years ago. It's not clear if the impact killed them, if
>>the nuclear winter killed them, if they starved, or were wiped out by
>>viruses. The fact remains that ALL large creatures were wiped from the
>>face of the earth, with the possible exception of some sea creatures, 65
>>million years ago by or from the effects of a large impact. By the way,
>>10ft., and 25 ft. are hardly large animals when compared to the large
>>animals that existed pre-impact.
>
>
>What about whales? Anyone know when the first whales appear in the fossil
>record? I seem to remember something about a fossil find in the
>afghan/pakistan region that was thought to be transitional between whales
>as we know them and a land bound animal. Don't know the age of the find
>though. Pakicephalus I think was the name but I am definitely not
>positive about that.
>
>Steven
>
>
>
>Steven Singletary
>54-1224
>Dept. Earth, Atmospheric and Planetary Sciences
>M.I.T.
>Cambridge, MA 02139
>Tel - 617.253.6398
>Fax - 617.253.7102
>
>
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Received on Fri 17 May 2002 03:39:19 PM PDT